25323787 has 2 divisors, whose sum is σ = 25323788. Its totient is φ = 25323786.

The previous prime is 25323769. The next prime is 25323791. The reversal of 25323787 is 78732352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25323787 - 2¹⁹ = 24799499 is a prime.

It is not a weakly prime, because it can be changed into another prime (25323707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661893 + 12661894.

It is an arithmetic number, because the mean of its divisors is an integer number (12661894).

Almost surely, 2^25323787 is an apocalyptic number.

25323787 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323787 is an equidigital number, since it uses as much as digits as its factorization.

25323787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 25323787 is about 5032.2745354362. The cubic root of 25323787 is about 293.6587081938.

The spelling of 25323787 in words is "twenty-five million, three hundred twenty-three thousand, seven hundred eighty-seven".